| Used Operating Systems |
| 1 | 5121 | 38.17 | 173 | 10.43 | http://mj12bot.com/ |
| 2 | 2690 | 20.05 | 247 | 14.90 | +http://www.bing.com/bingbot.htm |
| 3 | 1870 | 13.94 | 471 | 28.41 | Windows NT |
| 4 | 802 | 5.98 | 6 | 0.36 | +http://napoveda.seznam.cz/en/seznambot-... |
| 5 | 666 | 4.96 | 118 | 7.12 | +http://yandex.com/bots |
| 6 | 662 | 4.93 | 52 | 3.14 | +http://ahrefs.com/robot/ |
| 7 | 438 | 3.26 | 94 | 5.67 | +http://www.linkdex.com/bots/ |
| 8 | 273 | 2.03 | 113 | 6.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 206 | 1.54 | 46 | 2.77 | +http://www.google.com/bot.html |
| 10 | 206 | 1.54 | 105 | 6.33 | +http://www.baidu.com/search/spider.html |
| 11 | 144 | 1.07 | 81 | 4.89 | +http://megogoserial.ru |
| 12 | 86 | 0.64 | 72 | 4.34 | +http://tiod.ru |
| 13 | 64 | 0.48 | 4 | 0.24 | +http://www.seokicks.de/robot.html |
| 14 | 63 | 0.47 | 14 | 0.84 | +http://www.semrush.com/bot.html |
| 15 | 40 | 0.30 | 18 | 1.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 38 | 0.28 | 19 | 1.15 | +http://duckduckgo.com |
| 17 | 27 | 0.20 | 12 | 0.72 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 15 | 0.11 | 8 | 0.48 | +http://www.exabot.com/go/robot |
| 19 | 2 | 0.01 | 2 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 20 | 2 | 0.01 | 2 | 0.12 | Windows 98 |
| 21 | 1 | 0.01 | 1 | 0.06 | Windows 3.1 |
